#include <stdio.h>
double cylinder(double r, double h)
{

	double volume = 3.141526*r*r*h;
		return volume;
}

int main()
{
	double height, radius, volume;
	printf("Enrer radius and height:");
	scanf_s("%lf%lf", &radius, &height);
	volume = cylinder(radius, height);
	printf("Volume=%.3f\n,", volume);
	return 0;
}